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Reflection and heat insulation paint for buildings

A reflective thermal insulation coating, construction technology, applied in reflective/signal coatings, antifouling/underwater coatings, coatings, etc., can solve the problem of brittleness and brittleness of functional fillers, low production process efficiency, difficult equipment cleaning, etc. The problem is to improve the thermal insulation, the production process is simple and efficient, and the thermal insulation effect is good.

Inactive Publication Date: 2013-01-30
SUZHOU RES INST OF ARCHITECTURE SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, for the first type of barrier heat-insulating coating, the particle size of the microbead-type functional filler is generally large, which cannot meet the requirements in some occasions where the fineness of the coating is required; the most important deficiency is due to The brittle and brittle properties of its functional fillers cannot be produced completely according to the traditional architectural coating process; therefore, most manufacturers currently use the rolling altar method for production, but this production process is inefficient, prolongs production time, and is difficult to clean equipment. And the investment in equipment is huge
For the second type of heat-reflective heat-insulating coating, the nano-titanium dioxide and modified titanium dioxide-based functional fillers have a high refractive index and have a good reflection effect on visible light, but the reflection on infrared light is relatively low. Difference
For the third type of radiant insulation coating, its application is greatly limited due to the darker color of the metal oxide it uses

Method used

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  • Reflection and heat insulation paint for buildings
  • Reflection and heat insulation paint for buildings
  • Reflection and heat insulation paint for buildings

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0049] A reflective heat-insulating coating for buildings, in parts by weight, comprising the following components and a preparation method:

[0050] Add 8.5 parts of water and 0.04 parts of the first thickener (BERMOCOLL EHM300, which is a composite non-ionic water-soluble cellulose ether) into the dispersing tank, start the dispersing machine to adjust the speed to about 800 rpm, and then add 0.45 part of DA dispersant, 0.1 part of PE100 wetting agent, 0.2 part of first defoamer (SPA202), 0.3 part of second defoamer (DFC17), 0.05 part of multifunctional additive (AMP95), 0.05 part of preservative ( DOA2w), 0.005 parts of antifungal agent (H981), stir evenly, continue to add 15 parts of titanium dioxide, 22.5 parts of composite heat insulation powder, 2.5 parts of 800 mesh sericite powder, 4 parts of 800 mesh ground calcium carbonate;

[0051] Pre-emulsify 1 part of propylene glycol, 1.25 parts of film-forming aid (CS-12), 0.01 part of emulsifier (T-80), and 1 part of water i...

Embodiment 2

[0078] A reflective heat-insulating coating for buildings, in parts by weight, comprising the following components and a preparation method:

[0079] Add 17.5 parts of water and 0.06 parts of the first thickener (BERMOCOLL EHM300, which is a composite non-ionic water-soluble cellulose ether) into the dispersing tank, start the dispersing machine to adjust the speed to about 800 rpm, and then add 0.5 part of DA dispersant, 0.15 part of PE100 wetting agent, 0.2 part of first defoamer (SPA202), 0.2 part of second defoamer (DFC17), 0.15 part of multifunctional additive (AMP95), 0.1 part of preservative ( DOA2w), 0.25 parts of antifungal agent (H981), stir evenly, continue to add 19 parts of titanium dioxide, 15 parts of composite heat insulation powder, 2.5 parts of 800 mesh sericite powder, 4 parts of 800 mesh ground calcium carbonate;

[0080] Pre-emulsify 1.5 parts of ethylene glycol, 1.7 parts of film-forming aid (CS-12), 0.015 parts of emulsifier (T-80), and 1.825 parts of wa...

Embodiment 3

[0087] A reflective heat-insulating coating for buildings, in parts by weight, comprising the following components and a preparation method:

[0088] Add 20 parts of water and 0.08 parts of the first thickener (BERMOCOLL EHM300) into the dispersing tank, start the dispersing machine and adjust the speed to about 800 rpm, add 0.55 parts of DA dispersant, 0.2 parts of PE100 wetting agent, 0.4 parts First defoamer (SPA202), 0.4 part of second defoamer (DFC17), 0.25 part of multifunctional additive (AMP95), 0.15 part of preservative (DOA2w), 0.05 part of antifungal agent (H981), stir Evenly, continue to add 25 parts of titanium dioxide, 10 parts of composite heat insulating powder, 2.5 parts of 800 mesh sericite powder, and 4 parts of 800 mesh ground calcium carbonate;

[0089] Pre-emulsify 1.5 parts of ethylene glycol, 1.5 parts of film-forming aid (CS-12), 0.02 parts of emulsifier (T-80), and 1.7 parts of water into the dispersion tank; increase the speed to 1200 rpm and dispers...

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Abstract

The invention discloses reflection and heat insulation paint for buildings. The reflection and heat insulation paint comprises the following ingredients in parts by weight: 9.5 to 23 parts of water, 0.44 to 1.08 parts of thickening agents, 0.45 to 0.55 parts of dispersing agents, 0.1 to 0.2 parts of wetting agents, 0.4 to 0.8 parts of defoaming agents, 0.05 to 0.25 parts of multifunctional auxiliaries, 0.05 to 0.15 parts of preservatives, 0.05 to 0.25 parts of mould inhibitors, 15 to 25 parts of titanium dioxide, 0 to 22.5 parts of composite heat insulation powder, 2 to 6.5 parts of fillings, 1 to 2 parts of antifreezing agents, 1.25 to 2 parts of film forming auxiliaries, 0.01 to 0.2 parts of emulsifying agents, 25 to 40 parts of emulsion, 2.5 to 5 parts of hydrophobing agents, 0.05 to 0.15 parts of pH value regulating agents and 0.02 to 0.07 parts of tributyl phosphate, wherein the composite heat insulation powder is a powder mixture obtained by Rectorite powder, potassium hexatitanate whiskers and ferro-nickel spinel through mixed dispersion, and the hydrophobing agents are polysiloxane emulsion. The reflection and heat insulation paint has high reflection, blockage and radiation performance on solar spectrum, the heat insulation effect is good, in addition, the composite heat insulation power is easy to prepare, and the preparation cost is lower.

Description

technical field [0001] The invention relates to a reflective and heat-insulating coating for buildings, which belongs to the technical field of building materials. Background technique [0002] In recent years, with the country's emphasis on building energy conservation, the external wall insulation market has developed rapidly. Although various forms of external wall insulation systems such as rock wool board, polystyrene board, extruded board and thermal insulation particle mortar have played a certain role in energy saving and emission reduction in the construction field, some shortcomings have gradually been exposed, such as The construction method is complex, the construction period is long, the cost is high, and the quality control is difficult. [0003] In view of this, great progress has been made recently in the research of reflective and heat-insulating coatings for buildings. Different from traditional external insulation of external walls, reflective thermal in...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D133/04C09D127/12C09D5/14C09D5/33C09D7/12
Inventor 王惠明李聚刚赵长才杨彰堂陈晓龙
Owner SUZHOU RES INST OF ARCHITECTURE SCI
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